Messages in this thread | | | From | Denis Vlasenko <> | Subject | Re: PROBLEM: Oops when using both channels of the PDC20262 | Date | Sat, 24 Apr 2004 22:42:36 +0300 |
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On Saturday 24 April 2004 00:30, Sebastian Witt wrote: > Hello, > > I'm getting some Oopses with kernel 2.6.5 when there is high load on > both channels of a Promise PDC20262 (Ultra66) card on a SMP machine > (Tyan S1834, Via Apollo Pro chipset).
I recall similar report. Reporter found that there is a #define in the source which can be enabled to make driver serialize access to channels. That 'fixed' (most probably worked around, though) the problem.
I can't say whether it was a hardware or driver problem, I didn't look into it.
> There are no problems when I use 2.6.1, but I have this problem > since 2.6.2. > It only occurs when I use the PDC20262, not when using the onboard > IDE-controller. > > It is reproduceable after a few seconds when I use 'dd if=/dev/hde > of=/dev/hdh bs=512'. > Using of=/dev/null also works, but it takes longer. > > Mostly it reports smp_apic_timer_interrupt+1c/140, but the last time > I tried it, it also reports <__mask_IO_APIC_irq+40/e0>. > > I've attached the logs and the ksymoops trace. -- vda
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